# High Percentage Error Good

or experimental values. This calculation will help you to evaluate the relevance of your results. It is helpful to know by what percent your experimental values differ from your lab partners' values, or to some established value. In what percent error is considered accurate most cases, a percent error or difference of less than 10% will be acceptable. If your

## Error Analysis Physics Lab Report

comparison shows a difference of more than 10%, there is a great likelihood that some mistake has occurred, and you should look back high percent error over your lab to find the source of the error. These calculations are also very integral to your analysis analysis and discussion. A high percent error must be accounted for in your analysis of error, and may also indicate https://socratic.org/questions/what-percent-error-is-too-high that the purpose of the lab has not been accomplished. Percent error: Percent error is used when you are comparing your result to a known or accepted value. It is the absolute value of the difference of the values divided by the accepted value, and written as a percentage. Percent difference: Percent difference is used when you are comparing your result to another experimental result. It is the absolute value of the difference of the values divided by their http://physics.appstate.edu/undergraduate-programs/laboratory/resources/error-analysis average, and written as a percentage. A measurement of a physical quantity is always an approximation. The uncertainty in a measurement arises, in general, from three types of errors. Systematic errors: These are errors which affect all measurements alike, and which can be traced to an imperfectly made instrument or to the personal technique and bias of the observer. These are reproducible inaccuracies that are consistently in the same direction. Systematic errors cannot be detected or reduced by increasing the number of observations, and can be reduced by applying a correction or correction factor to compensate for the effect. Random errors: These are errors for which the causes are unknown or indeterminate, but are usually small and follow the laws of chance. Random errors can be reduced by averaging over a large number of observations. The following are some examples of systematic and random errors to consider when writing your error analysis. Incomplete definition (may be systematic or random) - One reason that it is impossible to make exact measurements is that the measurement is not always clearly defined. For example, if two different people measure the length of the same rope, they would probably get different results because each person may stretch the rope with a different tension. The best way to minimize definition errors is to carefully consider and specify the conditions that could affect the measurement. Failure to account

the high percentage error of Impedance resistance (Rb or Rct) using Zview software? I am using Zview software to analyzed my impedance data, and after I select the https://www.researchgate.net/post/How_can_I_deal_with_the_high_percentage_error_of_Impedance_resistance_Rb_or_Rct_using_Zview_software suitable equivalent circuit and obtaining a good fitting (please see both Nyquist and Bode plots, attached files) I found that the barrier resistance has a start value and another end value with http://www.answers.com/Q/What_is_the_difference_between_the_low_percent_error_and_the_high_percent_error high percentage error. So, I don't know exactly what is the value of the barrier resistance (Rb)? And how can I eliminate this error, and Why did I obtain this high percentage percent error error although I have good fitting? Any help please Thanks in advance Topics Electrochemical Detection × 80 Questions 1,100 Followers Follow Electrochemical Impedance Spectroscopy × 394 Questions 2,375 Followers Follow Electrochemical Engineering × 115 Questions 226 Followers Follow Electrochemical Analysis × 530 Questions 1,380 Followers Follow Electrical Impedance Tomography (EIT) × 5 Questions 21 Followers Follow Electrical Impedance Spectroscopy × 78 Questions 144 Followers what does percent Follow Impedance Spectroscopy × 201 Questions 793 Followers Follow Corrosion Testing × 170 Questions 466 Followers Follow Corrosion Science × 260 Questions 900 Followers Follow Corrosion Engineering × 173 Questions 666 Followers Follow Impedance Analysis × 134 Questions 101 Followers Follow Zview × 24 Questions 23 Followers Follow Jan 7, 2015·Modified Jan 7, 2015 by the commenter. Share Facebook Twitter LinkedIn Google+ 0 / 0 Popular Answers Matthew Lacey · Uppsala University The reason is that the equivalent circuit isn't actually suitable and the parallel resistor element shouldn't be there. The plots provided are typical of just a resistance and CPE in series, which fits well. However, a second resistance in parallel with the CPE means that at lower frequency the system should tend towards the real (x-) axis again and show the well-known depressed semicircle shape. This behaviour cannot be seen, and the program can't fit to it - so it ends up regressing to give a resistor with an absurdly high value with a huge error - it's the program's way of saying the element shouldn't be there. You could extend the range of the measurement to include lower frequencies

Share In Math and Arithmetic, Percentages, Fractions, and Decimal Values What is the difference between the low percent error and the high percent error? What is the difference between the low percent error and the high percent error? SAVE CANCEL already exists. Would you like to merge this question into it? MERGE CANCEL already exists as an alternate of this question. Would you like to make it the primary and merge this question into it? MERGE CANCEL exists and is an alternate of . Merge this question into Split and merge into it SAVE CANCEL Edit Answer by Rushabh Yapuram Confidence votes 4.8K B.Tech in Computer Science and Engineering If it's high that means it's very off and away from the actual value. If you find a low percent error it is very close or close to the true value. If it's high that means it's very off and away from the actual value. If you find a low percent error it is very close or close to the true value. Minor edit? Save Cancel Kate DellaBarba + 17 others found this useful Was this answer useful? Yes Somewhat No Thanks for the feedback! Follow Amanda de Cadenet Q&A Photographer and former actress: current host of Lifetime's "Undone with @AmandadeCadenet" What are your goals for the show? View Full Interview What would you like to do? Flag Answered In Science What does percent of error mean? Is a term used to describe the proportion of audit adjustments found in a sample of transactions. E.g: "Error": Subtract Approximate value from Exact value. Ignore any …minus sign. Example: I estimated 260 people, but 325 came. 260 - 325 = -65, ignore the "-" sign, so my error is 65 (MORE) 1 person found this useful What would you like to do? Flag Blue 518,948 Contributions Answered In Science Can percent error be negative? Sometimes you will take the absolute value of the percent error because your estimated number could be less than the theoretical, meaning the calculation is negative. But an a…bsolute value is always positive. A percent error can be left as a negative though, and this would be perfectly acceptable (or even preferred) depending on what you're doing. Answer:In the sciences, a negative percent error indicates a low result. If you have a 0% error, then your observed (lab) result was exactly the same as the theoretical result. A 5% error could mean th